Ring gasket



FIG. 1 is a top perspective view showing my design thereof;

FIG. 2 is a perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side sectional view taken along line 4-4 as seen in FIG. 3;

FIG. 5 is a side elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

CLAIM The ornamental design for ring gasket, as shown and described.